ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 185
Parent subsystem(s): fs (142)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
linux-next test error: general protection fault in __bh_submit ext4 prio:high -1 2 3d03h 2h06m
general protection fault in __bh_submit ext4 prio:high 2 syz, C 10112 now 4d14h 💬 3 [1d06h]
KASAN: use-after-free Read in register_bcache bcache ext4 prio:high 19 syz, C 11 7d11h 26d PATCH [20d]
WARNING in __ext4_handle_dirty_metadata prio:low ext4 -1 1 43d 39d
kernel BUG in ext4_write_inline_data_end (3) prio:normal ext4 -1 syz 1 37d 51d PATCH [44d]
KASAN: use-after-free Read in ext4_search_dir (3) prio:high actionable ext4 19 2 34d 58d
INFO: task hung in ext4_write_end prio:high ext4 1 syz error 16 1d16h 65d
INFO: task hung in ext4_load_tail_bh prio:high ext4 1 syz, C 1 49d 65d
KASAN: use-after-free Read in ext4_xattr_list_entries (2) actionable prio:high ext4 19 7 16d 87d
kernel BUG in ext4_write_inline_data (5) prio:high ext4 -1 syz error 28 18d 88d
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 93d 107d
INFO: task jbd2/sda1-NUM:NUM blocked in I/O wait for more than NUM seconds. prio:low ext4 -1 syz, C 12 101d 127d PATCH [38d]
WARNING in jbd2_journal_dirty_metadata (3) prio:high ext4 -1 21 30d 135d
KASAN: use-after-free Read in xattr_find_entry (2) prio:high ext4 19 syz, C error error 3 14d 194d PATCH [148d]
INFO: task hung in block_read_full_folio (3) prio:high ext4 1 syz, C error error 19 10d 206d
kernel BUG in ext4_es_cache_extent (4) prio:high ext4 -1 syz, C error error 15 164d 208d 💬 8 [177d]
possible deadlock in evict (4) prio:high ext4 4 46 24d 282d
INFO: task hung in __start_renaming prio:high ext4 1 syz, C done error 71 72d 285d 💬 11 [284d]
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 syz, C unreliable 2502 2d05h 296d PATCH [53d]
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 syz, C error 9790 2d06h 303d PATCH [79d]
WARNING in get_data prio:high ext4 -1 syz, C error 1613 298d 315d
WARNING in ext4_write_inode (3) prio:high ext4 -1 10 93d 324d
KMSAN: uninit-value in fscrypt_crypt_data_unit ext4 fscrypt prio:high 7 syz, C 202 81d 326d PATCH [73d]
INFO: rcu detected stall in unwind_next_frame (5) prio:low ext4 1 syz, C error error 62 1d13h 326d
INFO: rcu detected stall in ext4_file_mmap_prepare prio:high ext4 1 syz, C error 3 10d 353d
possible deadlock in do_writepages (2) prio:normal ext4 4 syz, C unreliable 883 17d 354d
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 46 4h51m 355d PATCH [345d]
possible deadlock in ext4_truncate (2) prio:high ext4 4 syz, C unreliable error 3 139d 376d 💬 4 [375d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 syz, C error error 72 5d03h 421d 💬 2 [42d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 244d 481d
INFO: task hung in find_inode_fast (4) ext4 prio:high 1 syz, C error error 30 11d 621d PATCH [68d]
INFO: task hung in do_get_write_access (3) prio:low ext4 1 syz, C error 970 13m 650d
divide error in qnx6_mmi_fill_super prio:high ext4 2 syz, C unreliable inconclusive 7 63d 672d PATCH [670d]
WARNING in ext4_iomap_begin (3) prio:high ext4 -1 syz, C inconclusive error 208 10h05m 674d
possible deadlock in ext4_writepages (2) prio:high ext4 4 syz, C unreliable 21100 2d05h 685d 💬 1 [25d]
WARNING in ext4_journal_check_start (2) ext4 -1 syz, C inconclusive inconclusive 110 1d12h 687d PATCH [39d]
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 syz, C error 7948 7h48m 713d PATCH [253d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 syz, C done error 6 245d 737d 💬 1 [737d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 syz, C error 463 13h12m 758d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 syz, C inconclusive error 1002 13d 830d PATCH [829d]
INFO: task hung in jbd2_journal_commit_transaction (5) ext4 prio:low 1 syz, C error error 2659 2h05m 843d
WARNING in ext4_xattr_set_entry (2) ext4 -1 syz, C error 9 843d 877d PATCH [4d08h]
INFO: task hung in sync_inodes_sb (5) ext4 xfs 1 syz, C error inconclusive 3025 7d02h 1145d
WARNING: locking bug in ext4_ioctl ext4 4 syz, C done done 923 637d 1188d PATCH [707d]
WARNING: locking bug in __ext4_ioctl ext4 4 syz, C done error 849 654d 1188d
kernel BUG in ext4_do_writepages prio:high ext4 -1 syz, C error 4533 2h08m 1357d PATCH [40d]
kernel BUG in __ext4_journal_stop ext4 -1 syz, C error done 44 36d 1377d 💬 7 [907d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (10) ext4 race:benign prio:high 6 1 11d 11d
WARNING: proc registration bug in jbd2_journal_destroy prio:low ext4 -1 1 38d 34d
KCSAN: data-race in _copy_to_iter / string (7) race:benign prio:low ext4 6 1 40d 40d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) prio:low ext4 6 47 18h13m 408d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic prio:low ext4 6 217 1d19h 458d
KCSAN: data-race in find_get_block_common / has_bh_in_lru prio:low ext4 6 326 4d04h 497d
KCSAN: data-race in _prb_read_valid / data_alloc prio:low ext4 6 586 3d11h 497d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 6 251 15h28m 561d
KCSAN: data-race in data_alloc / data_push_tail (3) prio:low ext4 block 6 75 42d 727d
KCSAN: data-race in filemap_splice_read / filemap_splice_read prio:low ext4 6 1622 1d06h 1003d
KCSAN: data-race in _prb_read_valid / prb_reserve prio:high ext4 6 3943 2d12h 2126d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 497d 2406d